251013985 (number)

251013985 is an odd 9-digits composite number following 251013984 and preceding 251013986. In scientific notation, it is written as 2.51013985 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 200811184 positive integers (up to 251013985) that are relatively prime to 251013985.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million thirteen thousand nine hundred eighty-five

Notation

Scientific notation 2.51013985 × 10^8
Engineering notation 2.51013985 × 10^6

Prime Factorization of 251013985

Prime Factorization 5 × 50202797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 251013985
Product of the distinct prime numbers

The prime factorization of 251013985 is 5 × 50202797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 251013985)

Multiplication

n×y
n×2 502027970
n×3 753041955
n×4 1004055940
n×5 1255069925

Division

n÷y
n÷2 125506992.5
n÷3 83671328.333333
n÷3 62753496.25
n÷5 50202797

Exponentiation

ny
n2 63008020665580225
n3 1.581589435423E+25
n4 3.9700106681942E+33
n5 9.9652819831594E+41

Nth Root

y√n
2√n 15843.420874294
3√n 630.81107009228
4√n 125.870651362
5√n 47.856351295315

Divisors of 251013985

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -251013984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 251013985 can be divided by 4 positive divisors. The sum of these divisors (counting 251013985) is 1, the average is 0.25.

Base conversion 251013985

Base System Value
2 Binary 1110111101100010101101100001
3 Ternary 122111022211110021
4 Quaternary 32331202231201
5 Quinary 1003224421420
6 Senary 40524033441
8 Octal 1675425541
10 Decimal 251013985
12 Duodecimal 70092881
16 Hexadecimal ef62b61
20 Vigesimal 3i8gej5
36 Base36 45g3mp

Cryptographic Hash Functions

md5 653819a370979ba5037d982e6b208fac
sha1 074e425012d1610436d8ce52ba904407465f1bf6
sha256 425f0f43d9ace6bae00418fcca40f30d4dc1822df807abb831c4f4994657bba5
sha512 9e458ee094027ef57aebe7e35deaf29ad558316bcf64c55f2c945acfd878d07cf3b83f30ab31e89cb359fb1507898d6abd92430d9dc74f36c9a759b53ddd2eca
ripemd-160 3ec0237e8a67cb408f4cc80bf3c7b8e945fc89d9

251013985 as geometric shapes

Circle

Radius = n
Diameter 502027970
Circumference 1577167382.4486
Area 1.9794553484022E+17

Sphere

Radius = n
Volume 6.6249463350934E+25
Surface area 7.9178213936088E+17
Circumference 1577167382.4486

Square

Length = n
Perimeter 1004055940
Area 63008020665580225
Diagonal 354987381.93232

Cube

Length = n
Surface area 378048123993481350
Volume 1.581589435423E+25
Space diagonal 434768975.43033

Equilateral Triangle

Length = n
Perimeter 753041955
Area 2.7283273269284E+16
Altitude 217384487.71517

Triangular Pyramid

Length = n
Surface area 2.7283273269284E+16
Volume 1.8639210247343E+24
Height 118329127.31077